PRIFTIN

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take this medicine with food. Take your medicine at regular intervals. Do not take your medicine more often than directed. For your therapy to work as well as possible, take each dose exactly as prescribed. Do not skip doses or stop your medicine even if you feel better. Skipping doses may make the TB resistant to this medicine and other medicines. Do not stop taking except on your doctor's advice.
 
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years old for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

Visit your doctor or health care professional for regular checks on your progress. You will need to have blood work done regularly while you are taking this medicine. This medicine can cause serious liver problems. Make sure you understand the risks for liver problems and how to identify the symptoms. If you have any questions, talk with your doctor or other health care provider.

Avoid alcoholic drinks while you are taking this medicine. Drinking alcohol during treatment with this medicine increases the risk of serious liver problems.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

You may need to take a vitamin B6 supplement while you are taking this medicine. Discuss the foods you eat and the vitamins you take with your health care professional.

Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control.

Antacids may reduce the absorption of this medicine. Doses of this medicine should be given at least 1 hour before taking antacids.

This medicine can color your urine, feces (stool), perspiration (sweat), tears, sputum, skin or saliva reddish-orange to reddish-brown. This color can last for as long as you take this medicine and is not a cause for alarm. This color in tears may permanently stain soft contact lenses. It is better not to wear soft contact lenses while you are taking this medicine. This medicine may stain dentures.

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from heat and moisture. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.